Empire WWTP and Sewer System - Secondary Treatment Plant in Empire, Ohio

Empire WWTP and Sewer System is a municipal wastewater treatment facility located in Empire, Jefferson County, Ohio. The plant serves a small population of 334 residents, reflecting its role in a rural community. It operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal wastewater discharges. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 189.27 megaliters per year and an actual discharge volume of 113.56 megaliters per year, the facility operates below its capacity. The plant's permit is issued under the National Pollutant Discharge Elimination System (NPDES), administered by the Ohio Environmental Protection Agency. The treated effluent is discharged into a local waterway that ultimately drains into the Ohio River basin. The Ohio River is a major tributary of the Mississippi River, supporting diverse aquatic life and providing drinking water for millions. The plant's discharge contributes to the overall water quality management of the region.

The plant discharges into a tributary of the Ohio River, which flows into the Mississippi River and eventually the Gulf of Mexico. The Ohio River watershed supports a variety of fish species and is an important migratory corridor for birds. The plant's secondary treatment helps protect downstream water quality in this ecologically significant river system.